EPSG
NSGI: Netherlands partnership of Kadaster, Rijkswaterstaat and Hydrographic Service, http://www.nsgi.nl/
2023-07-17
Hydrography, drilling, offshore engineering.
Coincides with NAP datum plane. Approximates physical mean sea surface to a few decimetres.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalReferenceFrame", "name": "Mean Sea Level Netherlands", "scope": "Hydrography, drilling, offshore engineering.", "area": "Netherlands - offshore North Sea and nearshore.", "bbox": { "south_latitude": 51.32, "west_longitude": 2.53, "north_latitude": 55.77, "east_longitude": 7.21 }, "id": { "authority": "EPSG", "code": 1270 } }